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      1 /*	$NetBSD: ultrix_ioctl.c,v 1.40 2022/02/09 22:30:27 andvar Exp $ */
      2 /*	from : NetBSD: sunos_ioctl.c,v 1.21 1995/10/07 06:27:31 mycroft Exp */
      3 
      4 /*
      5  * Copyright (c) 1993 Markus Wild.
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. The name of the author may not be used to endorse or promote products
     14  *    derived from this software without specific prior written permission
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  *
     27  * loosely from: Header: sunos_ioctl.c,v 1.7 93/05/28 04:40:43 torek Exp
     28  */
     29 
     30 #include <sys/cdefs.h>
     31 __KERNEL_RCSID(0, "$NetBSD: ultrix_ioctl.c,v 1.40 2022/02/09 22:30:27 andvar Exp $");
     32 
     33 #if defined(_KERNEL_OPT)
     34 #include "opt_compat_ultrix.h"
     35 #include "opt_compat_sunos.h"
     36 #endif
     37 
     38 #include <sys/param.h>
     39 #include <sys/proc.h>
     40 #include <sys/systm.h>
     41 #include <sys/file.h>
     42 #include <sys/filedesc.h>
     43 #include <sys/ioctl.h>
     44 #include <sys/termios.h>
     45 #include <sys/tty.h>
     46 #include <sys/socket.h>
     47 #include <sys/audioio.h>
     48 #include <net/if.h>
     49 
     50 #include <sys/mount.h>
     51 
     52 #include <compat/sys/sockio.h>
     53 #include <compat/ultrix/ultrix_syscallargs.h>
     54 #include <sys/syscallargs.h>
     55 
     56 #include <compat/sunos/sunos.h>
     57 
     58 #include <compat/ultrix/ultrix_tty.h>
     59 
     60 #define emul_termio	ultrix_termio
     61 #define emul_termios	ultrix_termios
     62 
     63 /*
     64  * SunOS ioctl calls.
     65  * This file is something of a hodge-podge.
     66  * Support gets added as things turn up....
     67  */
     68 
     69 static const struct speedtab sptab[] = {
     70 	{ 0, 0 },
     71 	{ 50, 1 },
     72 	{ 75, 2 },
     73 	{ 110, 3 },
     74 	{ 134, 4 },
     75 	{ 135, 4 },
     76 	{ 150, 5 },
     77 	{ 200, 6 },
     78 	{ 300, 7 },
     79 	{ 600, 8 },
     80 	{ 1200, 9 },
     81 	{ 1800, 10 },
     82 	{ 2400, 11 },
     83 	{ 4800, 12 },
     84 	{ 9600, 13 },
     85 	{ 19200, 14 },
     86 	{ 38400, 15 },
     87 	{ -1, -1 }
     88 };
     89 
     90 static const uint16_t s2btab[] = {
     91 	0,
     92 	50,
     93 	75,
     94 	110,
     95 	134,
     96 	150,
     97 	200,
     98 	300,
     99 	600,
    100 	1200,
    101 	1800,
    102 	2400,
    103 	4800,
    104 	9600,
    105 	19200,
    106 	38400,
    107 };
    108 
    109 
    110 /*
    111  * Translate a single tty control char from the emulation value
    112  * to native termios, and vice-versa. Special-case
    113  * the value of POSIX_VDISABLE, mapping it to and from 0.
    114  */
    115 #define NATIVE_TO_EMUL_CC(bsd_cc) \
    116  (((bsd_cc)   != _POSIX_VDISABLE) ? (bsd_cc) : 0)
    117 
    118 #define EMUL_TO_NATIVE_CC(emul_cc) \
    119  (emul_cc) ? (emul_cc) : _POSIX_VDISABLE;
    120 
    121 
    122 static void stios2btios(struct emul_termios *, struct termios *);
    123 static void btios2stios(struct termios *, struct emul_termios *);
    124 static void stios2stio(struct emul_termios *, struct emul_termio *);
    125 static void stio2stios(struct emul_termio *, struct emul_termios *);
    126 
    127 /*
    128  * these two conversion functions have mostly been done
    129  * with some perl cut&paste, then handedited to comment
    130  * out what doesn't exist under NetBSD.
    131  * A note from Markus's code:
    132  *	(l & BITMASK1) / BITMASK1 * BITMASK2  is translated
    133  *	optimally by gcc m68k, much better than any ?: stuff.
    134  *	Code may vary with different architectures of course.
    135  *
    136  * I don't know what optimizer you used, but seeing divu's and
    137  * bfextu's in the m68k assembly output did not encourage me...
    138  * as well, gcc on the sparc definitely generates much better
    139  * code with ?:.
    140  */
    141 
    142 
    143 static void
    144 stios2btios(struct emul_termios *st, struct termios *bt)
    145 {
    146 	uint32_t l, r;
    147 
    148 	memset(bt, 0, sizeof(*bt));
    149 
    150 	l = st->c_iflag;
    151 	r = 	((l & 0x00000001) ? IGNBRK	: 0);
    152 	r |=	((l & 0x00000002) ? BRKINT	: 0);
    153 	r |=	((l & 0x00000004) ? IGNPAR	: 0);
    154 	r |=	((l & 0x00000008) ? PARMRK	: 0);
    155 	r |=	((l & 0x00000010) ? INPCK	: 0);
    156 	r |=	((l & 0x00000020) ? ISTRIP	: 0);
    157 	r |= 	((l & 0x00000040) ? INLCR	: 0);
    158 	r |=	((l & 0x00000080) ? IGNCR	: 0);
    159 	r |=	((l & 0x00000100) ? ICRNL	: 0);
    160 	/*	((l & 0x00000200) ? IUCLC	: 0) */
    161 	r |=	((l & 0x00000400) ? IXON	: 0);
    162 	r |=	((l & 0x00000800) ? IXANY	: 0);
    163 	r |=	((l & 0x00001000) ? IXOFF	: 0);
    164 	r |=	((l & 0x00002000) ? IMAXBEL	: 0);
    165 	bt->c_iflag = r;
    166 
    167 	l = st->c_oflag;
    168 	r = 	((l & 0x00000001) ? OPOST	: 0);
    169 	/*	((l & 0x00000002) ? OLCUC	: 0) */
    170 	r |=	((l & 0x00000004) ? ONLCR	: 0);
    171 	/*	((l & 0x00000008) ? OCRNL	: 0) */
    172 	/*	((l & 0x00000010) ? ONOCR	: 0) */
    173 	/*	((l & 0x00000020) ? ONLRET	: 0) */
    174 	/*	((l & 0x00000040) ? OFILL	: 0) */
    175 	/*	((l & 0x00000080) ? OFDEL	: 0) */
    176 	/*	((l & 0x00000100) ? NLDLY	: 0) */
    177 	/*	((l & 0x00000100) ? NL1		: 0) */
    178 	/*	((l & 0x00000600) ? CRDLY	: 0) */
    179 	/*	((l & 0x00000200) ? CR1		: 0) */
    180 	/*	((l & 0x00000400) ? CR2		: 0) */
    181 	/*	((l & 0x00000600) ? CR3		: 0) */
    182 	/*	((l & 0x00001800) ? TABDLY	: 0) */
    183 	/*	((l & 0x00000800) ? TAB1	: 0) */
    184 	/*	((l & 0x00001000) ? TAB2	: 0) */
    185 	r |=	((l & 0x00001800) ? OXTABS	: 0);
    186 	/*	((l & 0x00002000) ? BSDLY	: 0) */
    187 	/*	((l & 0x00002000) ? BS1		: 0) */
    188 	/*	((l & 0x00004000) ? VTDLY	: 0) */
    189 	/*	((l & 0x00004000) ? VT1		: 0) */
    190 	/*	((l & 0x00008000) ? FFDLY	: 0) */
    191 	/*	((l & 0x00008000) ? FF1		: 0) */
    192 	/*	((l & 0x00010000) ? PAGEOUT	: 0) */
    193 	/*	((l & 0x00020000) ? WRAP	: 0) */
    194 	bt->c_oflag = r;
    195 
    196 	l = st->c_cflag;
    197 	switch (l & 0x00000030) {
    198 	case 0:
    199 		r = CS5;
    200 		break;
    201 	case 0x00000010:
    202 		r = CS6;
    203 		break;
    204 	case 0x00000020:
    205 		r = CS7;
    206 		break;
    207 	case 0x00000030:
    208 		r = CS8;
    209 		break;
    210 	}
    211 	r |=	((l & 0x00000040) ? CSTOPB	: 0);
    212 	r |=	((l & 0x00000080) ? CREAD	: 0);
    213 	r |= 	((l & 0x00000100) ? PARENB	: 0);
    214 	r |=	((l & 0x00000200) ? PARODD	: 0);
    215 	r |=	((l & 0x00000400) ? HUPCL	: 0);
    216 	r |=	((l & 0x00000800) ? CLOCAL	: 0);
    217 	/*	((l & 0x00001000) ? LOBLK	: 0) */
    218 	r |=	((l & 0x80000000) ? (CRTS_IFLOW|CCTS_OFLOW) : 0);
    219 	bt->c_cflag = r;
    220 
    221 	bt->c_ispeed = bt->c_ospeed = s2btab[l & 0x0000000f];
    222 
    223 	l = st->c_lflag;
    224 	r = 	((l & 0x00000001) ? ISIG	: 0);
    225 	r |=	((l & 0x00000002) ? ICANON	: 0);
    226 	/*	((l & 0x00000004) ? XCASE	: 0) */
    227 	r |=	((l & 0x00000008) ? ECHO	: 0);
    228 	r |=	((l & 0x00000010) ? ECHOE	: 0);
    229 	r |=	((l & 0x00000020) ? ECHOK	: 0);
    230 	r |=	((l & 0x00000040) ? ECHONL	: 0);
    231 	r |= 	((l & 0x00000080) ? NOFLSH	: 0);
    232 	r |=	((l & 0x00000100) ? TOSTOP	: 0);
    233 	r |=	((l & 0x00000200) ? ECHOCTL	: 0);
    234 	r |=	((l & 0x00000400) ? ECHOPRT	: 0);
    235 	r |=	((l & 0x00000800) ? ECHOKE	: 0);
    236 	/*	((l & 0x00001000) ? DEFECHO	: 0) */
    237 	r |=	((l & 0x00002000) ? FLUSHO	: 0);
    238 	r |=	((l & 0x00004000) ? PENDIN	: 0);
    239 	bt->c_lflag = r;
    240 
    241 	bt->c_cc[VINTR]    = EMUL_TO_NATIVE_CC(st->c_cc[0]);
    242 	bt->c_cc[VQUIT]    = EMUL_TO_NATIVE_CC(st->c_cc[1]);
    243 	bt->c_cc[VERASE]   = EMUL_TO_NATIVE_CC(st->c_cc[2]);
    244 	bt->c_cc[VKILL]    = EMUL_TO_NATIVE_CC(st->c_cc[3]);
    245 	bt->c_cc[VEOF]     = EMUL_TO_NATIVE_CC(st->c_cc[4]);
    246 	bt->c_cc[VEOL]     = EMUL_TO_NATIVE_CC(st->c_cc[5]);
    247 	bt->c_cc[VEOL2]    = EMUL_TO_NATIVE_CC(st->c_cc[6]);
    248 	/* not present on NetBSD */
    249 	/* bt->c_cc[VSWTCH]   = EMUL_TO_NATIVE_CC(st->c_cc[7]); */
    250 	bt->c_cc[VSTART]   = EMUL_TO_NATIVE_CC(st->c_cc[10]);
    251 	bt->c_cc[VSTOP]    = EMUL_TO_NATIVE_CC(st->c_cc[11]);
    252 	bt->c_cc[VSUSP]    = EMUL_TO_NATIVE_CC(st->c_cc[12]);
    253 	bt->c_cc[VDSUSP]   = EMUL_TO_NATIVE_CC(st->c_cc[13]);
    254 	bt->c_cc[VREPRINT] = EMUL_TO_NATIVE_CC(st->c_cc[14]);
    255 	bt->c_cc[VDISCARD] = EMUL_TO_NATIVE_CC(st->c_cc[15]);
    256 	bt->c_cc[VWERASE]  = EMUL_TO_NATIVE_CC(st->c_cc[16]);
    257 	bt->c_cc[VLNEXT]   = EMUL_TO_NATIVE_CC(st->c_cc[17]);
    258 	bt->c_cc[VSTATUS]  = EMUL_TO_NATIVE_CC(st->c_cc[18]);
    259 
    260 #ifdef COMPAT_ULTRIX
    261 	/* Ultrix termio/termios has real vmin/vtime */
    262 	bt->c_cc[VMIN]	   = EMUL_TO_NATIVE_CC(st->c_cc[8]);
    263 	bt->c_cc[VTIME]	   = EMUL_TO_NATIVE_CC(st->c_cc[9]);
    264 #else
    265 	/* if `raw mode', create native VMIN/VTIME from SunOS VEOF/VEOL */
    266 	bt->c_cc[VMIN]	   = (bt->c_lflag & ICANON) ? 1 : bt->c_cc[VEOF];
    267 	bt->c_cc[VTIME]	   = (bt->c_lflag & ICANON) ? 1 : bt->c_cc[VEOL];
    268 #endif
    269 
    270 }
    271 
    272 /*
    273  * Convert bsd termios to "sunos" emulated termios
    274  */
    275 static void
    276 btios2stios(struct termios *bt, struct emul_termios *st)
    277 {
    278 	uint32_t l, r;
    279 	int speed;
    280 
    281 	memset(st, 0, sizeof(*st));
    282 
    283 	l = bt->c_iflag;
    284 	r = 	((l &  IGNBRK) ? 0x00000001	: 0);
    285 	r |=	((l &  BRKINT) ? 0x00000002	: 0);
    286 	r |=	((l &  IGNPAR) ? 0x00000004	: 0);
    287 	r |=	((l &  PARMRK) ? 0x00000008	: 0);
    288 	r |=	((l &   INPCK) ? 0x00000010	: 0);
    289 	r |=	((l &  ISTRIP) ? 0x00000020	: 0);
    290 	r |=	((l &   INLCR) ? 0x00000040	: 0);
    291 	r |=	((l &   IGNCR) ? 0x00000080	: 0);
    292 	r |=	((l &   ICRNL) ? 0x00000100	: 0);
    293 	/*	((l &   IUCLC) ? 0x00000200	: 0) */
    294 	r |=	((l &    IXON) ? 0x00000400	: 0);
    295 	r |=	((l &   IXANY) ? 0x00000800	: 0);
    296 	r |=	((l &   IXOFF) ? 0x00001000	: 0);
    297 	r |=	((l & IMAXBEL) ? 0x00002000	: 0);
    298 	st->c_iflag = r;
    299 
    300 	l = bt->c_oflag;
    301 	r =	((l &   OPOST) ? 0x00000001	: 0);
    302 	/*	((l &   OLCUC) ? 0x00000002	: 0) */
    303 	r |=	((l &   ONLCR) ? 0x00000004	: 0);
    304 	/*	((l &   OCRNL) ? 0x00000008	: 0) */
    305 	/*	((l &   ONOCR) ? 0x00000010	: 0) */
    306 	/*	((l &  ONLRET) ? 0x00000020	: 0) */
    307 	/*	((l &   OFILL) ? 0x00000040	: 0) */
    308 	/*	((l &   OFDEL) ? 0x00000080	: 0) */
    309 	/*	((l &   NLDLY) ? 0x00000100	: 0) */
    310 	/*	((l &     NL1) ? 0x00000100	: 0) */
    311 	/*	((l &   CRDLY) ? 0x00000600	: 0) */
    312 	/*	((l &     CR1) ? 0x00000200	: 0) */
    313 	/*	((l &     CR2) ? 0x00000400	: 0) */
    314 	/*	((l &     CR3) ? 0x00000600	: 0) */
    315 	/*	((l &  TABDLY) ? 0x00001800	: 0) */
    316 	/*	((l &    TAB1) ? 0x00000800	: 0) */
    317 	/*	((l &    TAB2) ? 0x00001000	: 0) */
    318 	r |=	((l &  OXTABS) ? 0x00001800	: 0);
    319 	/*	((l &   BSDLY) ? 0x00002000	: 0) */
    320 	/*	((l &     BS1) ? 0x00002000	: 0) */
    321 	/*	((l &   VTDLY) ? 0x00004000	: 0) */
    322 	/*	((l &     VT1) ? 0x00004000	: 0) */
    323 	/*	((l &   FFDLY) ? 0x00008000	: 0) */
    324 	/*	((l &     FF1) ? 0x00008000	: 0) */
    325 	/*	((l & PAGEOUT) ? 0x00010000	: 0) */
    326 	/*	((l &    WRAP) ? 0x00020000	: 0) */
    327 	st->c_oflag = r;
    328 
    329 	l = bt->c_cflag;
    330 	switch (l & CSIZE) {
    331 	case CS5:
    332 		r = 0;
    333 		break;
    334 	case CS6:
    335 		r = 0x00000010;
    336 		break;
    337 	case CS7:
    338 		r = 0x00000020;
    339 		break;
    340 	case CS8:
    341 		r = 0x00000030;
    342 		break;
    343 	}
    344 	r |=	((l &  CSTOPB) ? 0x00000040	: 0);
    345 	r |=	((l &   CREAD) ? 0x00000080	: 0);
    346 	r |=	((l &  PARENB) ? 0x00000100	: 0);
    347 	r |=	((l &  PARODD) ? 0x00000200	: 0);
    348 	r |=	((l &   HUPCL) ? 0x00000400	: 0);
    349 	r |=	((l &  CLOCAL) ? 0x00000800	: 0);
    350 	/*	((l &   LOBLK) ? 0x00001000	: 0) */
    351 	r |=	((l & (CRTS_IFLOW|CCTS_OFLOW)) ? 0x80000000 : 0);
    352 	st->c_cflag = r;
    353 
    354 	l = bt->c_lflag;
    355 	r =	((l &    ISIG) ? 0x00000001	: 0);
    356 	r |=	((l &  ICANON) ? 0x00000002	: 0);
    357 	/*	((l &   XCASE) ? 0x00000004	: 0) */
    358 	r |=	((l &    ECHO) ? 0x00000008	: 0);
    359 	r |=	((l &   ECHOE) ? 0x00000010	: 0);
    360 	r |=	((l &   ECHOK) ? 0x00000020	: 0);
    361 	r |=	((l &  ECHONL) ? 0x00000040	: 0);
    362 	r |=	((l &  NOFLSH) ? 0x00000080	: 0);
    363 	r |=	((l &  TOSTOP) ? 0x00000100	: 0);
    364 	r |=	((l & ECHOCTL) ? 0x00000200	: 0);
    365 	r |=	((l & ECHOPRT) ? 0x00000400	: 0);
    366 	r |=	((l &  ECHOKE) ? 0x00000800	: 0);
    367 	/*	((l & DEFECHO) ? 0x00001000	: 0) */
    368 	r |=	((l &  FLUSHO) ? 0x00002000	: 0);
    369 	r |=	((l &  PENDIN) ? 0x00004000	: 0);
    370 	st->c_lflag = r;
    371 
    372 	speed = ttspeedtab(bt->c_ospeed, sptab);
    373 	if (speed != -1)
    374 	    st->c_cflag |= speed;
    375 
    376 	st->c_cc[0] = NATIVE_TO_EMUL_CC(bt->c_cc[VINTR]);
    377 	st->c_cc[1] = NATIVE_TO_EMUL_CC(bt->c_cc[VQUIT]);
    378 	st->c_cc[2] = NATIVE_TO_EMUL_CC(bt->c_cc[VERASE]);
    379 	st->c_cc[3] = NATIVE_TO_EMUL_CC(bt->c_cc[VKILL]);
    380 	st->c_cc[4] = NATIVE_TO_EMUL_CC(bt->c_cc[VEOF]);
    381 	st->c_cc[5] = NATIVE_TO_EMUL_CC(bt->c_cc[VEOL]);
    382 	st->c_cc[6] = NATIVE_TO_EMUL_CC(bt->c_cc[VEOL2]);
    383 
    384 	/* XXX ultrix has a VSWTCH.  NetBSD does not. */
    385 #ifdef notdef
    386 	st->c_cc[7] = NATIVE_TO_EMUL_CC(bt->c_cc[VSWTCH]);
    387 #else
    388 	st->c_cc[7] = 0;
    389 #endif
    390 	st->c_cc[10] = NATIVE_TO_EMUL_CC(bt->c_cc[VSTART]);
    391 	st->c_cc[11] = NATIVE_TO_EMUL_CC(bt->c_cc[VSTOP]);
    392 	st->c_cc[12]= NATIVE_TO_EMUL_CC(bt->c_cc[VSUSP]);
    393 	st->c_cc[13]= NATIVE_TO_EMUL_CC(bt->c_cc[VDSUSP]);
    394 	st->c_cc[14]= NATIVE_TO_EMUL_CC(bt->c_cc[VREPRINT]);
    395 	st->c_cc[15]= NATIVE_TO_EMUL_CC(bt->c_cc[VDISCARD]);
    396 	st->c_cc[16]= NATIVE_TO_EMUL_CC(bt->c_cc[VWERASE]);
    397 	st->c_cc[17]= NATIVE_TO_EMUL_CC(bt->c_cc[VLNEXT]);
    398 	st->c_cc[18]= NATIVE_TO_EMUL_CC(bt->c_cc[VSTATUS]);
    399 
    400 #ifdef COMPAT_ULTRIX
    401 	st->c_cc[8]= NATIVE_TO_EMUL_CC(bt->c_cc[VMIN]);
    402 	st->c_cc[9]= NATIVE_TO_EMUL_CC(bt->c_cc[VTIME]);
    403 #else
    404 	if (!(bt->c_lflag & ICANON)) {
    405 		/* SunOS stores VMIN/VTIME in VEOF/VEOL (if ICANON is off) */
    406 		st->c_cc[4] = bt->c_cc[VMIN];
    407 		st->c_cc[5] = bt->c_cc[VTIME];
    408 	}
    409 #endif
    410 
    411 #ifdef COMPAT_SUNOS
    412 	st->c_line = 0;	/* 4.3bsd "old" line discipline */
    413 #else
    414 	st->c_line = 2;	/* 4.3bsd "new" line discipline, Ultrix default. */
    415 #endif
    416 }
    417 
    418 #define TERMIO_NCC 10	/* ultrix termio NCC is 10 */
    419 
    420 /*
    421  * Convert emulated struct termios to termio(?)
    422  */
    423 static void
    424 stios2stio(struct emul_termios *ts, struct emul_termio *t)
    425 {
    426 
    427 	memset(t, 0, sizeof(*t));
    428 	t->c_iflag = ts->c_iflag;
    429 	t->c_oflag = ts->c_oflag;
    430 	t->c_cflag = ts->c_cflag;
    431 	t->c_lflag = ts->c_lflag;
    432 	t->c_line  = ts->c_line;
    433 	memcpy(t->c_cc, ts->c_cc, TERMIO_NCC);
    434 }
    435 
    436 /*
    437  * Convert the other way
    438  */
    439 static void
    440 stio2stios(struct emul_termio *t, struct emul_termios *ts)
    441 {
    442 
    443 	memset(ts, 0, sizeof(*t));
    444 	ts->c_iflag = t->c_iflag;
    445 	ts->c_oflag = t->c_oflag;
    446 	ts->c_cflag = t->c_cflag;
    447 	ts->c_lflag = t->c_lflag;
    448 	ts->c_line  = t->c_line;
    449 
    450 	/* don't touch the upper fields! */
    451 	memcpy(ts->c_cc, t->c_cc, TERMIO_NCC);
    452 }
    453 
    454 static int
    455 ultrix_do_ioctl(int fd, int cmd, void *arg, struct lwp *l)
    456 {
    457 	file_t *fp;
    458 	int error;
    459 
    460 	if ((fp = fd_getfile(fd)) == NULL)
    461 		return EBADF;
    462 
    463 	if ((fp->f_flag & (FREAD|FWRITE)) == 0)
    464 		error = EBADF;
    465 	else
    466 		error = fp->f_ops->fo_ioctl(fp, cmd, arg);
    467 	fd_putfile(fd);
    468 	return error;
    469 }
    470 
    471 int
    472 ultrix_sys_ioctl(struct lwp *l, const struct ultrix_sys_ioctl_args *uap,
    473     register_t *retval)
    474 {
    475 	struct sys_ioctl_args ap;
    476 	int error;
    477 
    478 	SCARG(&ap, fd) = SCARG(uap, fd);
    479 	SCARG(&ap, data) = SCARG(uap, data);
    480 	SCARG(&ap, com) = SCARG(uap, com);
    481 	switch (SCARG(&ap, com)) {
    482 	case _IOR('t', 0, int):
    483 		SCARG(&ap, com) = TIOCGETD;
    484 		break;
    485 	case _IOW('t', 1, int):
    486 	    {
    487 		int disc;
    488 
    489 		error = copyin(SCARG(&ap, data), &disc, sizeof disc);
    490 		if (error != 0)
    491 			return error;
    492 
    493 		/* map SunOS NTTYDISC into our termios discipline */
    494 		if (disc == 2)
    495 			disc = 0;
    496 		/* all other disciplines are not supported by NetBSD */
    497 		if (disc)
    498 			return ENXIO;
    499 
    500 		return ultrix_do_ioctl(SCARG(&ap, fd), TIOCSETD, &disc, l);
    501 	    }
    502 	case _IOW('t', 101, int):	/* sun SUNOS_TIOCSSOFTCAR */
    503 	    {
    504 		int x;	/* unused */
    505 
    506 		return copyin(SCARG(&ap, data), &x, sizeof x);
    507 	    }
    508 	case _IOR('t', 100, int):	/* sun SUNOS_TIOCSSOFTCAR */
    509 	    {
    510 		int x = 0;
    511 
    512 		return copyout(&x, SCARG(&ap, data), sizeof x);
    513 	    }
    514 	case _IO('t', 36): 		/* sun TIOCCONS, no parameters */
    515 	    {
    516 		int on = 1;
    517 		return ultrix_do_ioctl(SCARG(&ap, fd), TIOCCONS, &on, l);
    518 	    }
    519 	case _IOW('t', 37, struct sunos_ttysize):
    520 	    {
    521 		struct winsize ws;
    522 		struct sunos_ttysize ss;
    523 
    524 		error = ultrix_do_ioctl(SCARG(&ap, fd), TIOCGWINSZ, &ws, l);
    525 		if (error != 0)
    526 			return error;
    527 
    528 		if ((error = copyin(SCARG(&ap, data), &ss, sizeof(ss))) != 0)
    529 			return error;
    530 
    531 		ws.ws_row = ss.ts_row;
    532 		ws.ws_col = ss.ts_col;
    533 
    534 		return ultrix_do_ioctl(SCARG(&ap, fd), TIOCSWINSZ, &ws, l);
    535 	    }
    536 	case _IOW('t', 38, struct sunos_ttysize):
    537 	    {
    538 		struct winsize ws;
    539 		struct sunos_ttysize ss;
    540 
    541 		error = ultrix_do_ioctl(SCARG(&ap, fd), TIOCGWINSZ, &ws, l);
    542 		if (error != 0)
    543 			return error;
    544 
    545 		memset(&ss, 0, sizeof(ss));
    546 		ss.ts_row = ws.ws_row;
    547 		ss.ts_col = ws.ws_col;
    548 
    549 		return copyout(&ss, SCARG(&ap, data), sizeof(ss));
    550 	    }
    551 	case _IOW('t', 118, int):
    552 		SCARG(&ap, com) = TIOCSPGRP;
    553 		break;
    554 	case _IOR('t', 119, int):
    555 		SCARG(&ap, com) = TIOCGPGRP;
    556 		break;
    557 
    558 	/* Emulate termio or termios tcget() */
    559 	case ULTRIX_TCGETA:
    560 	case ULTRIX_TCGETS:
    561 	    {
    562 		struct termios bts;
    563 		struct ultrix_termios sts;
    564 		struct ultrix_termio st;
    565 
    566 		error = ultrix_do_ioctl(SCARG(&ap, fd), TIOCGETA, &bts, l);
    567 		if (error != 0)
    568 			return error;
    569 
    570 		btios2stios (&bts, &sts);
    571 		if (SCARG(&ap, com) == ULTRIX_TCGETA) {
    572 			stios2stio (&sts, &st);
    573 			return copyout(&st, SCARG(&ap, data), sizeof(st));
    574 		} else
    575 			return copyout(&sts, SCARG(&ap, data), sizeof(sts));
    576 		/*NOTREACHED*/
    577 	    }
    578 	/* Emulate termio tcset() */
    579 	case ULTRIX_TCSETA:
    580 	case ULTRIX_TCSETAW:
    581 	case ULTRIX_TCSETAF:
    582 	    {
    583 		struct termios bts;
    584 		struct ultrix_termios sts;
    585 		struct ultrix_termio st;
    586 		int result;
    587 
    588 		if ((error = copyin(SCARG(&ap, data), &st, sizeof(st))) != 0)
    589 			return error;
    590 
    591 		/* get full BSD termios so we don't lose information */
    592 		error = ultrix_do_ioctl(SCARG(&ap, fd), TIOCGETA, &bts, l);
    593 		if (error != 0)
    594 			return error;
    595 
    596 		/*
    597 		 * convert to sun termios, copy in information from
    598 		 * termio, and convert back, then set new values.
    599 		 */
    600 		btios2stios(&bts, &sts);
    601 		stio2stios(&st, &sts);
    602 		stios2btios(&sts, &bts);
    603 
    604 		/*
    605 		 * map ioctl code: ultrix tcsets are numbered in reverse order
    606 		 */
    607 #ifdef notyet
    608 		return ultrix_do_ioctl(SCARG(&ap, fd),
    609 		    ULTRIX_TCSETA - SCARG(&ap, com) + TIOCSETA, &bts, l);
    610 #else
    611 		result = ultrix_do_ioctl(SCARG(&ap, fd),
    612 		    ULTRIX_TCSETA - SCARG(&ap, com) + TIOCSETA, &bts, l);
    613 		printf("ultrix TCSETA %lx returns %d\n",
    614 		    ULTRIX_TCSETA - SCARG(&ap, com), result);
    615 		return result;
    616 #endif
    617 
    618 	    }
    619 	/* Emulate termios tcset() */
    620 	case ULTRIX_TCSETS:
    621 	case ULTRIX_TCSETSW:
    622 	case ULTRIX_TCSETSF:
    623 	    {
    624 		struct termios bts;
    625 		struct ultrix_termios sts;
    626 
    627 		error = copyin(SCARG(&ap, data), &sts, sizeof(sts));
    628 		if (error != 0)
    629 			return error;
    630 		stios2btios (&sts, &bts);
    631 		return ultrix_do_ioctl(SCARG(&ap, fd),
    632 		    ULTRIX_TCSETS - SCARG(&ap, com) + TIOCSETA, &bts, l);
    633 	    }
    634 /*
    635  * Pseudo-tty ioctl translations.
    636  */
    637 	case _IOW('t', 32, int): {	/* TIOCTCNTL */
    638 		int on;
    639 
    640 		error = copyin(SCARG(&ap, data), &on, sizeof(on));
    641 		if (error != 0)
    642 			return error;
    643 		return ultrix_do_ioctl(SCARG(&ap, fd), TIOCUCNTL, &on, l);
    644 	}
    645 	case _IOW('t', 33, int): {	/* TIOCSIGNAL */
    646 		int sig;
    647 
    648 		error = copyin(SCARG(&ap, data), &sig, sizeof(sig));
    649 		if (error != 0)
    650 			return error;
    651 		return ultrix_do_ioctl(SCARG(&ap, fd), TIOCSIG, &sig, l);
    652 	}
    653 
    654 /*
    655  * Socket ioctl translations.
    656  */
    657 #define IN_TYPE(a, type_t) { \
    658 	type_t localbuf; \
    659 	if ((error = copyin(SCARG(&ap, data), \
    660 				&localbuf, sizeof(type_t))) != 0) \
    661 		return error; \
    662 	return ultrix_do_ioctl(SCARG(&ap, fd), a, &localbuf, l); \
    663 }
    664 
    665 #define INOUT_TYPE(a, type_t) { \
    666 	type_t localbuf; \
    667 	if ((error = copyin(SCARG(&ap, data), &localbuf,	\
    668 			     sizeof(type_t))) != 0) \
    669 		return error; \
    670 	if ((error = ultrix_do_ioctl(SCARG(&ap, fd), a, &localbuf, l)) != 0) \
    671 		return error; \
    672 	return copyout(&localbuf, SCARG(&ap, data), sizeof(type_t)); \
    673 }
    674 
    675 
    676 #define IFREQ_IN(a) { \
    677 	struct oifreq ifreq; \
    678 	if ((error = copyin(SCARG(&ap, data), &ifreq, sizeof(ifreq))) != 0) \
    679 		return error; \
    680 	return ultrix_do_ioctl(SCARG(&ap, fd), a, &ifreq, l); \
    681 }
    682 
    683 #define IFREQ_INOUT(a) { \
    684 	struct oifreq ifreq; \
    685 	if ((error = copyin(SCARG(&ap, data), &ifreq, sizeof(ifreq))) != 0) \
    686 		return error; \
    687 	if ((error = ultrix_do_ioctl(SCARG(&ap, fd), a, &ifreq, l)) != 0) \
    688 		return error; \
    689 	return copyout(&ifreq, SCARG(&ap, data), sizeof(ifreq)); \
    690 }
    691 
    692 	case _IOW('i', 12, struct oifreq):
    693 		/* SIOCSIFADDR */
    694 		break;
    695 
    696 	case _IOWR('i', 13, struct oifreq):
    697 		IFREQ_INOUT(OOSIOCGIFADDR);
    698 
    699 	case _IOW('i', 14, struct oifreq):
    700 		/* SIOCSIFDSTADDR */
    701 		break;
    702 
    703 	case _IOWR('i', 15, struct oifreq):
    704 		IFREQ_INOUT(OOSIOCGIFDSTADDR);
    705 
    706 	case _IOW('i', 16, struct oifreq):
    707 		/* SIOCSIFFLAGS */
    708 		break;
    709 
    710 	case _IOWR('i', 17, struct oifreq):
    711 		/* SIOCGIFFLAGS */
    712 		break;
    713 
    714 	case _IOWR('i', 18, struct oifreq):
    715 		IFREQ_INOUT(SIOCGIFBRDADDR);
    716 
    717 	case _IOWR('i', 19, struct oifreq):
    718 		IFREQ_INOUT(SIOCSIFBRDADDR);
    719 
    720 	case _IOWR('i', 20, struct ifconf):	/* SIOCGIFCONF */
    721 	    {
    722 		struct ifconf ifconfarg;
    723 
    724 		/*
    725 		 * XXX: two more problems
    726 		 * 1. Our sockaddr's are variable length, not always
    727 		 *    sizeof(sockaddr)
    728 		 * 2. This returns a name per protocol, ie. it returns two
    729 		 *    "lo0"'s
    730 		 */
    731 		error = copyin(SCARG(&ap, data), &ifconfarg,
    732 		    sizeof(ifconfarg));
    733 		if (error)
    734 			return error;
    735 
    736 		error = ultrix_do_ioctl(SCARG(&ap, fd), OSIOCGIFCONF,
    737 		    &ifconfarg, l);
    738 		if (error)
    739 			return error;
    740 
    741 		return copyout(&ifconfarg, SCARG(&ap, data),
    742 		    sizeof(ifconfarg));
    743 	    }
    744 
    745 
    746 	case _IOWR('i', 21, struct oifreq):
    747 		IFREQ_INOUT(OOSIOCGIFNETMASK);
    748 
    749 	case _IOW('i', 22, struct oifreq):
    750 		IFREQ_IN(SIOCSIFNETMASK);
    751 
    752 	/* 23: _IOWR('i', 23, struct oifreq):  Ultrix SIOCSPHYADDR */
    753 	/* 24: _IOWR('i', 24, struct oifreq):  Ultrix SIOCSADDMULTI */
    754 	/* 25: _IOWR('i', 25, struct oifreq):  Ultrix SIOCSDELMULTI */
    755 
    756 	case _IOW('i',  26, struct oifreq):	/* SIOCSIFRDCTRS? */
    757 	case _IOWR('i', 27, struct oifreq):	/* SIOCGIFZCTRS? */
    758 	case _IOWR('i', 28, struct oifreq):	/* read physaddr ? */
    759 		return EOPNOTSUPP;
    760 
    761 
    762 	case _IOW('i', 30, struct arpreq):
    763 		/* SIOCSARP */
    764 		break;
    765 
    766 	case _IOWR('i', 31, struct arpreq):
    767 		/* SIOCGARP */
    768 		break;
    769 
    770 	case _IOW('i', 32, struct arpreq):
    771 		/* SIOCDARP */
    772 		break;
    773 
    774 	case _IOW('i', 40, struct oifreq):	/* SIOCARPREQ */
    775 		return EOPNOTSUPP;
    776 
    777 	case _IOWR('i', 41, struct oifreq):
    778 		IFREQ_INOUT(SIOCGIFMETRIC);
    779 
    780 	case _IOWR('i', 42, struct oifreq):
    781 		IFREQ_IN(SIOCSIFMETRIC);
    782 
    783 	case _IOW('i', 44, struct oifreq):	/* SIOCSETSYNC */
    784 	case _IOWR('i', 45, struct oifreq):	/* SIOCGETSYNC */
    785 	case _IOWR('i', 46, struct oifreq):	/* SIOCSDSTATS */
    786 	case _IOWR('i', 47, struct oifreq):	/* SIOCSESTATS */
    787 	case _IOW('i', 48, int):		/* SIOCSPROMISC */
    788 		return EOPNOTSUPP;
    789 
    790 	/* emulate for vat, vic tools */
    791 	case _IOW('i', 49, struct oifreq):	/* SIOCADDMULTI */
    792 	case _IOW('i', 50, struct oifreq):	/* SIOCDELMULTI */
    793 		return EOPNOTSUPP;
    794 
    795 	}
    796 	return sys_ioctl(l, &ap, retval);
    797 }
    798